28672221 is an odd 8-digits composite number following 28672220
and preceding 28672222 . In scientific notation, it is written as 2.8672221 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 19114812 positive integers (up to 28672221) that are relatively prime to 28672221.
28672221 has 4 divisors, whose sum is 38229632
The reverse of 28672221 is 12227682
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million six hundred seventy-two thousand two hundred twenty-one
Scientific notation
2.8672221 × 10^7
Engineering notation
2.8672221 × 10^6
Prime Factorization
3 × 9557407
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28672221
Product of the distinct prime numbers
The prime factorization of 28672221 is 3 × 9557407.
Since it has a total of 2 prime factors.
6 , 10 , 47 , 12 , 533 , 186 , 4677 , 2287 , 21578 , 95340 , 28456 , 25368 , 3257767 , 3430195 , 56196087 , 36922110 , 864027761 , 128330557 , 6160882705 , 2690895040
n×2
57344442
n×3
86016663
n×4
114688884
n×5
143361105
n÷2
14336110.5
n÷3
9557407
n÷3
7168055.25
n÷5
5734444.2
n2
822096257072841
n3
2.3571325566065E+22
n4
6.7584225589317E+29
n5
1.9377898522108E+37
2 √n
5354.6448061473
3 √n
306.06977562138
4 √n
73.175438544277
5 √n
31.0093217383
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28672220
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28672221 can be divided by 4 positive divisors.
The sum of these divisors (counting 28672221) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101011000000011011101
3
Ternary
1222221200220010
4
Quaternary
1231120003131
5
Quinary
24320002341
6
Senary
2502313433
8
Octal
155300335
10
Decimal
28672221
12
Duodecimal
9728879
16
Hexadecimal
1b580dd
20
Vigesimal
8j40b1
36
Base36
h2jml
md5
951a86ae550e58e9400464283f32528d
sha1
94b94f67795e91fb5bc4ffba9ce8ec1f7183e34c
sha256
7ddff2646897e364275c510313c4bdb91b9c4fd84a5318ff11af17b131945479
sha512
f34ca3b46eeecd416289c3794e75db6328d4491383cc8696135510a93cdfbe01d05383d3cc5be1aa285c1f3881ed29f97a856bed0c35008e6142a4fc3fe8e041
ripemd-160
4703063758afeb322a454cc979c68a8e920b0208
Diameter
57344442
Circumference
180152877.71141
Area
2.5826915617637E+15
Volume
9.8735337644965E+22
Surface area
1.0330766247055E+16
Circumference
180152877.71141
Perimeter
114688884
Area
822096257072841
Diagonal
40548643.801559
Surface area
4932577542437046
Volume
2.3571325566065E+22
Space diagonal
49661743.537843
Perimeter
86016663
Area
3.5597812149059E+14
Altitude
24830871.768922
Surface area
3.5597812149059E+14
Volume
2.7779073582201E+21
Height
13516214.60052